Self-Review Exercises

7.1 Fill in the blanks in each of the following statements:

a. All scripts can be written in terms of three types of control statements: ________, ________ and ________.

b. The ________ double-selection statement is used to execute one action when a condition is true and another action when that condition is false.

c. Repeating a set of instructions a specific number of times is called ________ repetition.

d. When it’s not known in advance how many times a set of statements will be repeated, a(n) ________ (or a(n) ________, ________ or ________) value can be used to terminate the repetition.

7.2 Write four JavaScript statements that each add 1 to variable x, which contains a number.

7.3 Write JavaScript statements to accomplish each of the following tasks: